Home / 375,280.41-562,921.74-90,969.84

Finding the Fourth Proportional to 375,280.41, 562,921.74 and 90,969.84

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Solution

The fourth proportional to 375,280.41, 562,921.74 and 90,969.84 is: 136,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,280.41 : 562,921.74 = 90,969.84 : x
  2. Step 2: Convert to fraction form
    375,280.41/562,921.74 = 90,969.84/x
  3. Step 3: Cross multiply
    375,280.41x = 562,921.74 × 90,969.84
  4. Step 4: Simplify right side
    375,280.41x = 51,208,900,620.32
  5. Step 5: Solve for x
    x = 51,208,900,620.32/375,280.41
  6. Step 6: Final answer
    x = 136,455.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.